Fixes bug #765562 "Using Spacebar to change menu selction causes crash"

GladeWidgetAdaptor: use a direct hash for the adaptor hash table by stuffing the GType into a pointer with GSIZE_TO_POINTER()

Philip Withnall authored Dec 23, 2014 and Juan Pablo Ugarte committed Aug 25, 2015

libgladeui depends on libm.

https://bugzilla.gnome.org/show_bug.cgi?id=741923

Bug #741165 "Previewer crashes when taking PNG screenshot"

Philip Chimento authored Oct 10, 2014 and Tristan Van Berkom committed Oct 12, 2014

The #ifdef'd block did not compile at all because it used the old API
from gtk-mac-integration, and because it used GtkBuilder when the
surrounding code had been ported to use widget templates.

This fixes up the use of the API and adds a few widget variables to
GladeWindowPrivate which have to be bound to the template.

https://bugzilla.gnome.org/show_bug.cgi?id=738339

Philip Chimento authored Oct 10, 2014 and Tristan Van Berkom committed Oct 12, 2014

There are no tabs in the rest of the file, so this matches the
surrounding indentation.

https://bugzilla.gnome.org/show_bug.cgi?id=738339

David Shea authored Jul 23, 2014 and Juan Pablo Ugarte committed Jul 23, 2014

Ensure that required_lib is NULL at the start of each iteration through
the loop.

Fixes bug 704600 "Cannot add items to menu hierarchy - assertion `GLADE_IS_WIDGET_ADAPTOR (adaptor)' failed"

  GladeWidget * (*build_child)      (GladeBaseEditor *, GladeWidget *, GType);

glin-genmarshal does not have a specific type for GType thus back in the day UINT was used instead.
But this is not correct in systems where GType is bigger than UINT

If the property is construct-only, then glade_widget_rebuild() will be called
which means the object will be removed from the project/selection and
a new one will be added, which makes the eprop loose its focus.

XML text data was not escaped when generating the template XML.

Internal widgets are defined in Glade in the adaptor class that introduced them.
So in order to get internal widgets that are descendant of another internal widget
we need to walk up the adaptor hierarchy to find where internal widgets are defined.

I included this patch in the stable version because without it glade can not access
GtkDialog internal action_area if compiled with gtk master (version 3.13)

Made GtkAboutDialog logo and logo-icon-name properties optional since they
are mutually exclusive.
The editor is responsible for enabling then accordingly.

Use GTK_ICON_SIZE_LARGE_TOOLBAR and GTK_ICON_SIZE_SMALL_TOOLBAR instead of
GTK_ICON_SIZE_MENU and GTK_ICON_SIZE_BUTTON